dmaengine: consolidate assignment of DMA cookies
Everyone deals with assigning DMA cookies in the same way (it's part of
the API so they should be), so lets consolidate the common code into a
helper function to avoid this duplication.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
[imx-sdma.c & mxs-dma.c]
Tested-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c
index 2ebbe57..04b4347 100644
--- a/drivers/dma/fsldma.c
+++ b/drivers/dma/fsldma.c
@@ -414,17 +414,10 @@
* assign cookies to all of the software descriptors
* that make up this transaction
*/
- cookie = chan->common.cookie;
list_for_each_entry(child, &desc->tx_list, node) {
- cookie++;
- if (cookie < DMA_MIN_COOKIE)
- cookie = DMA_MIN_COOKIE;
-
- child->async_tx.cookie = cookie;
+ cookie = dma_cookie_assign(&child->async_tx);
}
- chan->common.cookie = cookie;
-
/* put this transaction onto the tail of the pending queue */
append_ld_queue(chan, desc);
